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313425305 = 5531182737
BaseRepresentation
bin10010101011100…
…111110110011001
3210211202122200122
4102223213312121
51120214102210
651033443025
710524033254
oct2253476631
9724678618
10313425305
11150a14086
1288b70475
134cc1b77b
142d8aa09b
151c7b1b55
hex12ae7d99

313425305 has 8 divisors (see below), whose sum is σ = 383207112. Its totient is φ = 246009088.

The previous prime is 313425271. The next prime is 313425313. The reversal of 313425305 is 503524313.

It can be written as a sum of positive squares in 4 ways, for example, as 131148304 + 182277001 = 11452^2 + 13501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313425305 - 212 = 313421209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591104 + ... + 591633.

It is an arithmetic number, because the mean of its divisors is an integer number (47900889).

Almost surely, 2313425305 is an apocalyptic number.

It is an amenable number.

313425305 is a deficient number, since it is larger than the sum of its proper divisors (69781807).

313425305 is a wasteful number, since it uses less digits than its factorization.

313425305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182795.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 313425305 is about 17703.8217625461. The cubic root of 313425305 is about 679.2735212874.

Adding to 313425305 its reverse (503524313), we get a palindrome (816949618).

The spelling of 313425305 in words is "three hundred thirteen million, four hundred twenty-five thousand, three hundred five".

Divisors: 1 5 53 265 1182737 5913685 62685061 313425305